1 mechanical data features maximum ratixgs and electrical characteristics www.paceleader.tw KB22S thru kb28s surface mount schottky barrier bridge rectifiers surface mount schottky barrier bridge rectifiers rating at 25 ambient temperature unless otherwise specified. voltage- 20 to 8 0 volts current- 2.0 amperes resistive or inductive load s y m b ols k b22s k b24s k b26s k b28s units m a x i mum recurre n t peak rev e rse v o ltage v rrm 2 0 4 0 6 0 8 0 v max i mum r m s vo ltage v rms 1 4 2 8 4 2 5 6 v m a xi mum dc bl o cki ng voltage v dc 2 0 4 0 6 0 8 0 v m a x i mum a verage for w a rd rect if ie d current at tl (see fi gur e 1 ) i ( av) 2 . 0 a peak for w a rd surge current 8.3ms single ha lf sine- w av e superimposed on r a ted l o ad (j edec method) i fsm 50.0 a m a x i mum i n stanta neous forw a r d vol t age a t 2 . 0 a (note 1) v f 0.50 0.70 0.85 v m a xi mum dc rever s e cur r e nt (note 1) ta= 25 c at rated dc b l ock i ng vol t age ta=10 0 c i r 0.5 10.0 ma m a x i mum therma l res i stance(note 2) r jl r ja 20.0 80.0 c / w oper ati ng and sto r age tempe r atur e range tj t j -50 to +1 50 c stor age tempe r atur e range t st g -55 to +150 c units marking code k b22s k b24s k b26s k b28s ?e forsurface mounted applications ?e low profile package ?e built-in strain relief ?e low power loss.high efficiency ?e high surge capacity ?e ?e for use in low voltage high frequency inverters, free wheeling, and polarity protection applications ?e high temperature soldering guaranteed: 260c /10 seconds ?e pb free product at av : 99% sn above meet rohs environment substnce directive request ?e plastic package has underwriters laboratory flammability classition 94v-o ?e metal to silicon rectifier.majority carrier conduction at terminals high current capacity,low vf ?e terminas:solder plated, solderable per mil-std-750, method 2026 ?e polarity: color band denotes cathode ?e standard packagng: 12mm tape (eia-481) ?e weight : 0.008 ounce,0.22 gram.
ratingand characteris tic curves KB22S thru kb28 s instantaneous forward current , amperes fig.2-typicalinstantaneousforward characteristic instantaneous forward voltage,volts average forwardcurrent amperes fig.1-forward currentderating curve lead temperature, c o 50 0.1 1000 10 0.1 1.0 10 100 capacitance, pf fig.3-typical junction capacitance reverse voltage,volts 2 . 0 1.0 0 10 1.0 .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 100 singlephasehalfwave60hz resistiveorinductiveload p.c.b mounted on 0.2 x x 0.2"( 5.0 5.0mm) copperpadareas t=25 c pulsewidth= 300 s 1%duty cycle j o m t=25c j o 0.5 1.5 0 20406080100120140 50-60v 80-100v 20-40v 0 1 0 2 0 3 0 4 0 5 0 110100 i , p e a k f or wa r d sur g e c u r r e n t ( a ) fs m number of cycles at 60 hz fi g .4 peakforwardsur g e current 8.3 m s s i ng l e h a l f s i n e - w a v e jedec method KB22S thru kb28s surface mount schottky barrier bridge rectifiers surface mount schottky barrier bridge rectifiers www.paceleader.tw 2
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